./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-benchs/float_int_inv_square.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34f94195-a3bd-4b64-a6d4-f5a4c918a953/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34f94195-a3bd-4b64-a6d4-f5a4c918a953/bin/ukojak-verify-CZk0znPC7b/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34f94195-a3bd-4b64-a6d4-f5a4c918a953/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34f94195-a3bd-4b64-a6d4-f5a4c918a953/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/float-benchs/float_int_inv_square.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34f94195-a3bd-4b64-a6d4-f5a4c918a953/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34f94195-a3bd-4b64-a6d4-f5a4c918a953/bin/ukojak-verify-CZk0znPC7b --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash a3f1488b0e5756e8d9e219e50ec38e84e8e4fac76b2e3a5e1785d4e14d4111d8 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 03:28:52,085 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 03:28:52,137 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34f94195-a3bd-4b64-a6d4-f5a4c918a953/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-12-06 03:28:52,141 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 03:28:52,142 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 03:28:52,160 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 03:28:52,161 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 03:28:52,161 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 03:28:52,161 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 03:28:52,162 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 03:28:52,162 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 03:28:52,162 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 03:28:52,162 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 03:28:52,162 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 03:28:52,162 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 03:28:52,162 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 03:28:52,162 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 03:28:52,162 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 03:28:52,163 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 03:28:52,163 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 03:28:52,163 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 03:28:52,163 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 03:28:52,163 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 03:28:52,163 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 03:28:52,163 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 03:28:52,163 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 03:28:52,163 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 03:28:52,163 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 03:28:52,163 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 03:28:52,163 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 03:28:52,163 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 03:28:52,163 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 03:28:52,164 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 03:28:52,164 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34f94195-a3bd-4b64-a6d4-f5a4c918a953/bin/ukojak-verify-CZk0znPC7b Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a3f1488b0e5756e8d9e219e50ec38e84e8e4fac76b2e3a5e1785d4e14d4111d8 [2024-12-06 03:28:52,366 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 03:28:52,374 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 03:28:52,377 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 03:28:52,378 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 03:28:52,378 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 03:28:52,379 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34f94195-a3bd-4b64-a6d4-f5a4c918a953/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/float-benchs/float_int_inv_square.c [2024-12-06 03:28:55,043 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34f94195-a3bd-4b64-a6d4-f5a4c918a953/bin/ukojak-verify-CZk0znPC7b/data/28c68b1d9/fb24ddb2939e40078d0d8e9a4725199f/FLAG8e373ff6f [2024-12-06 03:28:55,201 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 03:28:55,201 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34f94195-a3bd-4b64-a6d4-f5a4c918a953/sv-benchmarks/c/float-benchs/float_int_inv_square.c [2024-12-06 03:28:55,208 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34f94195-a3bd-4b64-a6d4-f5a4c918a953/bin/ukojak-verify-CZk0znPC7b/data/28c68b1d9/fb24ddb2939e40078d0d8e9a4725199f/FLAG8e373ff6f [2024-12-06 03:28:55,221 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34f94195-a3bd-4b64-a6d4-f5a4c918a953/bin/ukojak-verify-CZk0znPC7b/data/28c68b1d9/fb24ddb2939e40078d0d8e9a4725199f [2024-12-06 03:28:55,224 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 03:28:55,225 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 03:28:55,226 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 03:28:55,226 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 03:28:55,231 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 03:28:55,231 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 03:28:55" (1/1) ... [2024-12-06 03:28:55,232 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5a3ca7d4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:28:55, skipping insertion in model container [2024-12-06 03:28:55,232 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 03:28:55" (1/1) ... [2024-12-06 03:28:55,245 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 03:28:55,380 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34f94195-a3bd-4b64-a6d4-f5a4c918a953/sv-benchmarks/c/float-benchs/float_int_inv_square.c[488,501] [2024-12-06 03:28:55,389 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 03:28:55,398 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 03:28:55,408 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34f94195-a3bd-4b64-a6d4-f5a4c918a953/sv-benchmarks/c/float-benchs/float_int_inv_square.c[488,501] [2024-12-06 03:28:55,410 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 03:28:55,423 INFO L204 MainTranslator]: Completed translation [2024-12-06 03:28:55,423 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:28:55 WrapperNode [2024-12-06 03:28:55,424 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 03:28:55,425 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 03:28:55,425 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 03:28:55,425 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 03:28:55,432 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:28:55" (1/1) ... [2024-12-06 03:28:55,437 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:28:55" (1/1) ... [2024-12-06 03:28:55,451 INFO L138 Inliner]: procedures = 14, calls = 9, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 31 [2024-12-06 03:28:55,452 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 03:28:55,452 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 03:28:55,452 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 03:28:55,453 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 03:28:55,458 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:28:55" (1/1) ... [2024-12-06 03:28:55,459 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:28:55" (1/1) ... [2024-12-06 03:28:55,459 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:28:55" (1/1) ... [2024-12-06 03:28:55,459 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:28:55" (1/1) ... [2024-12-06 03:28:55,462 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:28:55" (1/1) ... [2024-12-06 03:28:55,463 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:28:55" (1/1) ... [2024-12-06 03:28:55,465 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:28:55" (1/1) ... [2024-12-06 03:28:55,465 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:28:55" (1/1) ... [2024-12-06 03:28:55,466 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:28:55" (1/1) ... [2024-12-06 03:28:55,467 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 03:28:55,467 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 03:28:55,468 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 03:28:55,468 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 03:28:55,468 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:28:55" (1/1) ... [2024-12-06 03:28:55,474 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 03:28:55,484 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34f94195-a3bd-4b64-a6d4-f5a4c918a953/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 03:28:55,495 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34f94195-a3bd-4b64-a6d4-f5a4c918a953/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 03:28:55,498 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34f94195-a3bd-4b64-a6d4-f5a4c918a953/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 03:28:55,521 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 03:28:55,521 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-06 03:28:55,521 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 03:28:55,522 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 03:28:55,572 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 03:28:55,574 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 03:28:55,649 INFO L? ?]: Removed 8 outVars from TransFormulas that were not future-live. [2024-12-06 03:28:55,649 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 03:28:55,688 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 03:28:55,688 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-12-06 03:28:55,689 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 03:28:55 BoogieIcfgContainer [2024-12-06 03:28:55,689 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 03:28:55,689 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 03:28:55,689 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 03:28:55,696 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 03:28:55,697 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 03:28:55" (1/1) ... [2024-12-06 03:28:55,703 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 03:28:55,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:28:55,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 6 transitions. [2024-12-06 03:28:55,739 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 6 transitions. [2024-12-06 03:28:55,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-12-06 03:28:55,740 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:28:55,741 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:28:55,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 03:28:55,802 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 03:28:55,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 03:28:55,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 03:28:55,839 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 03:28:55,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 03:28:55,851 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-12-06 03:28:55,866 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 06.12 03:28:55 ImpRootNode [2024-12-06 03:28:55,866 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-06 03:28:55,867 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-06 03:28:55,867 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-06 03:28:55,867 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-06 03:28:55,867 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 03:28:55" (3/4) ... [2024-12-06 03:28:55,870 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-12-06 03:28:55,871 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-06 03:28:55,872 INFO L158 Benchmark]: Toolchain (without parser) took 646.42ms. Allocated memory is still 142.6MB. Free memory was 116.3MB in the beginning and 81.4MB in the end (delta: 34.8MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-12-06 03:28:55,872 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 142.6MB. Free memory is still 83.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 03:28:55,872 INFO L158 Benchmark]: CACSL2BoogieTranslator took 197.84ms. Allocated memory is still 142.6MB. Free memory was 116.1MB in the beginning and 105.3MB in the end (delta: 10.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 03:28:55,873 INFO L158 Benchmark]: Boogie Procedure Inliner took 27.18ms. Allocated memory is still 142.6MB. Free memory was 105.3MB in the beginning and 104.2MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 03:28:55,873 INFO L158 Benchmark]: Boogie Preprocessor took 14.52ms. Allocated memory is still 142.6MB. Free memory was 104.2MB in the beginning and 103.5MB in the end (delta: 726.4kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 03:28:55,874 INFO L158 Benchmark]: RCFGBuilder took 221.28ms. Allocated memory is still 142.6MB. Free memory was 103.5MB in the beginning and 92.1MB in the end (delta: 11.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-06 03:28:55,874 INFO L158 Benchmark]: CodeCheck took 176.68ms. Allocated memory is still 142.6MB. Free memory was 92.1MB in the beginning and 81.6MB in the end (delta: 10.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 03:28:55,874 INFO L158 Benchmark]: Witness Printer took 4.17ms. Allocated memory is still 142.6MB. Free memory was 81.6MB in the beginning and 81.4MB in the end (delta: 187.4kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 03:28:55,877 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 1 procedures, 6 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.1s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 3 NumberOfCodeBlocks, 3 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available - UnprovableResult [Line: 11]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 22, overapproximation of someBinaryArithmeticFLOAToperation at line 21. Possible FailurePath: [L15] int x; [L16] float y, z; [L18] x = __VERIFIER_nondet_int() [L19] CALL assume_abort_if_not(x >= -10 && x <= 10) [L9] COND FALSE !(!cond) [L19] RET assume_abort_if_not(x >= -10 && x <= 10) [L21] y = x*x - 4.f [L22] CALL __VERIFIER_assert(y != 0.f) [L11] COND TRUE !(cond) [L11] reach_error() * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 142.6MB. Free memory is still 83.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 197.84ms. Allocated memory is still 142.6MB. Free memory was 116.1MB in the beginning and 105.3MB in the end (delta: 10.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 27.18ms. Allocated memory is still 142.6MB. Free memory was 105.3MB in the beginning and 104.2MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 14.52ms. Allocated memory is still 142.6MB. Free memory was 104.2MB in the beginning and 103.5MB in the end (delta: 726.4kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 221.28ms. Allocated memory is still 142.6MB. Free memory was 103.5MB in the beginning and 92.1MB in the end (delta: 11.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 176.68ms. Allocated memory is still 142.6MB. Free memory was 92.1MB in the beginning and 81.6MB in the end (delta: 10.4MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 4.17ms. Allocated memory is still 142.6MB. Free memory was 81.6MB in the beginning and 81.4MB in the end (delta: 187.4kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-12-06 03:28:55,894 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34f94195-a3bd-4b64-a6d4-f5a4c918a953/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34f94195-a3bd-4b64-a6d4-f5a4c918a953/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34f94195-a3bd-4b64-a6d4-f5a4c918a953/bin/ukojak-verify-CZk0znPC7b/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34f94195-a3bd-4b64-a6d4-f5a4c918a953/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34f94195-a3bd-4b64-a6d4-f5a4c918a953/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/float-benchs/float_int_inv_square.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34f94195-a3bd-4b64-a6d4-f5a4c918a953/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34f94195-a3bd-4b64-a6d4-f5a4c918a953/bin/ukojak-verify-CZk0znPC7b --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash a3f1488b0e5756e8d9e219e50ec38e84e8e4fac76b2e3a5e1785d4e14d4111d8 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 03:28:57,795 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 03:28:57,878 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34f94195-a3bd-4b64-a6d4-f5a4c918a953/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-12-06 03:28:57,905 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 03:28:57,906 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 03:28:57,906 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 03:28:57,906 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 03:28:57,906 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 03:28:57,906 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 03:28:57,907 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 03:28:57,907 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 03:28:57,907 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 03:28:57,907 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 03:28:57,907 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 03:28:57,907 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 03:28:57,907 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 03:28:57,907 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-06 03:28:57,907 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-06 03:28:57,907 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-06 03:28:57,908 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 03:28:57,908 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 03:28:57,908 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 03:28:57,908 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 03:28:57,908 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 03:28:57,908 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 03:28:57,908 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 03:28:57,908 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 03:28:57,908 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-12-06 03:28:57,908 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 03:28:57,909 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 03:28:57,909 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 03:28:57,909 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 03:28:57,909 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 03:28:57,909 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-12-06 03:28:57,909 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 03:28:57,909 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-12-06 03:28:57,909 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34f94195-a3bd-4b64-a6d4-f5a4c918a953/bin/ukojak-verify-CZk0znPC7b Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a3f1488b0e5756e8d9e219e50ec38e84e8e4fac76b2e3a5e1785d4e14d4111d8 [2024-12-06 03:28:58,148 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 03:28:58,156 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 03:28:58,158 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 03:28:58,160 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 03:28:58,160 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 03:28:58,161 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34f94195-a3bd-4b64-a6d4-f5a4c918a953/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/float-benchs/float_int_inv_square.c [2024-12-06 03:29:00,765 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34f94195-a3bd-4b64-a6d4-f5a4c918a953/bin/ukojak-verify-CZk0znPC7b/data/2d4309af1/cf6a6afabd9f421e85535bf21b23d750/FLAGcb9b60825 [2024-12-06 03:29:00,981 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 03:29:00,982 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34f94195-a3bd-4b64-a6d4-f5a4c918a953/sv-benchmarks/c/float-benchs/float_int_inv_square.c [2024-12-06 03:29:00,989 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34f94195-a3bd-4b64-a6d4-f5a4c918a953/bin/ukojak-verify-CZk0znPC7b/data/2d4309af1/cf6a6afabd9f421e85535bf21b23d750/FLAGcb9b60825 [2024-12-06 03:29:01,352 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34f94195-a3bd-4b64-a6d4-f5a4c918a953/bin/ukojak-verify-CZk0znPC7b/data/2d4309af1/cf6a6afabd9f421e85535bf21b23d750 [2024-12-06 03:29:01,354 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 03:29:01,355 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 03:29:01,356 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 03:29:01,356 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 03:29:01,359 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 03:29:01,360 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 03:29:01" (1/1) ... [2024-12-06 03:29:01,361 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1127c52f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:29:01, skipping insertion in model container [2024-12-06 03:29:01,361 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 03:29:01" (1/1) ... [2024-12-06 03:29:01,370 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 03:29:01,471 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34f94195-a3bd-4b64-a6d4-f5a4c918a953/sv-benchmarks/c/float-benchs/float_int_inv_square.c[488,501] [2024-12-06 03:29:01,480 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 03:29:01,490 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 03:29:01,498 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34f94195-a3bd-4b64-a6d4-f5a4c918a953/sv-benchmarks/c/float-benchs/float_int_inv_square.c[488,501] [2024-12-06 03:29:01,501 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 03:29:01,512 INFO L204 MainTranslator]: Completed translation [2024-12-06 03:29:01,513 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:29:01 WrapperNode [2024-12-06 03:29:01,513 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 03:29:01,514 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 03:29:01,514 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 03:29:01,514 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 03:29:01,519 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:29:01" (1/1) ... [2024-12-06 03:29:01,525 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:29:01" (1/1) ... [2024-12-06 03:29:01,537 INFO L138 Inliner]: procedures = 15, calls = 9, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 31 [2024-12-06 03:29:01,537 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 03:29:01,537 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 03:29:01,538 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 03:29:01,538 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 03:29:01,542 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:29:01" (1/1) ... [2024-12-06 03:29:01,542 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:29:01" (1/1) ... [2024-12-06 03:29:01,544 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:29:01" (1/1) ... [2024-12-06 03:29:01,544 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:29:01" (1/1) ... [2024-12-06 03:29:01,548 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:29:01" (1/1) ... [2024-12-06 03:29:01,549 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:29:01" (1/1) ... [2024-12-06 03:29:01,550 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:29:01" (1/1) ... [2024-12-06 03:29:01,551 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:29:01" (1/1) ... [2024-12-06 03:29:01,552 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:29:01" (1/1) ... [2024-12-06 03:29:01,553 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 03:29:01,554 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 03:29:01,554 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 03:29:01,554 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 03:29:01,555 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:29:01" (1/1) ... [2024-12-06 03:29:01,560 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 03:29:01,572 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34f94195-a3bd-4b64-a6d4-f5a4c918a953/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 03:29:01,582 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34f94195-a3bd-4b64-a6d4-f5a4c918a953/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 03:29:01,584 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34f94195-a3bd-4b64-a6d4-f5a4c918a953/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 03:29:01,602 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 03:29:01,602 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-12-06 03:29:01,602 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 03:29:01,602 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 03:29:01,659 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 03:29:01,661 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 03:29:02,312 INFO L? ?]: Removed 10 outVars from TransFormulas that were not future-live. [2024-12-06 03:29:02,313 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 03:29:02,347 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 03:29:02,347 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-12-06 03:29:02,348 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 03:29:02 BoogieIcfgContainer [2024-12-06 03:29:02,348 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 03:29:02,349 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 03:29:02,349 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 03:29:02,358 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 03:29:02,358 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 03:29:02" (1/1) ... [2024-12-06 03:29:02,364 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 03:29:02,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:29:02,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 6 transitions. [2024-12-06 03:29:02,404 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 6 transitions. [2024-12-06 03:29:02,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-12-06 03:29:02,406 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:29:02,407 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:29:02,407 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34f94195-a3bd-4b64-a6d4-f5a4c918a953/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:29:02,409 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34f94195-a3bd-4b64-a6d4-f5a4c918a953/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:29:02,410 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34f94195-a3bd-4b64-a6d4-f5a4c918a953/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-12-06 03:29:02,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 03:29:02,542 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 03:29:02,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat